Answer / sibananda jena

For starting the engine, and for excitation voltage for the
alternator.

Answer / abhishek

main alternator excitation voltage supplied after rectifying
another small alternator voltage. This small alternator excitor
voltage is supplied by battery.

is 60hz freq better than 50 hz?&why?

1 Answers  

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What is a diode?

0 Answers  

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What happens when two positively charged material is placed together?

0 Answers  

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what is stator inter turn fault?

1 Answers  

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A electrical meter has load 500 kw. In 2 hr what rading will come on meter.

2 Answers  

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WHY STABILIZER SHOULD USED

2 Answers  

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WHAT IS DIFFERENCE BETWEEN idmt and instentanous relay? is idmt is used as back up protection or else?or when instantenous relay saturates IDMT will operate???

1 Answers   BK, REL,

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What is the effect of positive feedback on stability of the system?

0 Answers  

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What is IGBT?Where it is used? What is the difference between IGBT and Thyristor?

5 Answers   AC, Formo Plastic, HBL Power Systems, SECL,

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(1)WHAT HAPPENS WHEN SUDDENLY LOAD GIVEN TO THE INDUCTION MOTOR ? (2)CAN WE MAKE WOOD AS MAGNET ? (3)WHAT IS THE VALUE OF MAGNETIC FLUX DENSITY IN TRANSFORMER ? (4)WHY WE ARE USING ELECTROMAGNETI NOT ELECTROSTATIC IN MACHINE ?

0 Answers   Cognizant,

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why we connect dg neutral with ground?

1 Answers  

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what modulation is used in landline telephone signals?

2 Answers  

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